Home / 28,108.64-42,150.57-14,957.88

Finding the Fourth Proportional to 28,108.64, 42,150.57 and 14,957.88

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Solution

The fourth proportional to 28,108.64, 42,150.57 and 14,957.88 is: 22,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.64 : 42,150.57 = 14,957.88 : x
  2. Step 2: Convert to fraction form
    28,108.64/42,150.57 = 14,957.88/x
  3. Step 3: Cross multiply
    28,108.64x = 42,150.57 × 14,957.88
  4. Step 4: Simplify right side
    28,108.64x = 630,483,167.99
  5. Step 5: Solve for x
    x = 630,483,167.99/28,108.64
  6. Step 6: Final answer
    x = 22,430.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.